Though generally regarded as “pseudoscientific”, the self-reported Myers-Briggs Type Indicator test is immensely popular in South Korea, particularly among younger people, as a tool to help them understand both themselves and others.
Categorising everyone into 16 different personality types, the MBTI essentially comes down to a four-letter code, such as ISTP or ENFJ, with each letter suggesting a certain personality trait.
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But it is the third letter – T for “thinking” or F for “feeling” – that has taken centre stage these days in South Korea as a measure of what is believed to be one’s emotional capacity.
The line “are you a T?” was popularised by YouTube comedy channel Mimgorithm last year. People found it humorous when a female comedian, dripping with sarcasm, threw the question at others whose too-honest, matter-of-fact comments spoilt the mood.
https://www.straitstimes.com/asia/east-asia/are-you-a-t-is-a-new-put-down-in-south-korea